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单选题
Those experiments have laid a solid foundation for his _____ research in material science.
A
far
B
deep
C
farther
D
further
参考答案
参考解析
解析：
句意：这些实验为他在材料科学方面的进一步研究奠定了坚实的基础。形容词辨析。deep深的；farther更远的，far的比较级；further进一步的，表抽象意义。
句意：这些实验为他在材料科学方面的进一步研究奠定了坚实的基础。形容词辨析。deep深的；farther更远的，far的比较级；further进一步的，表抽象意义。
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